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Directional Helical Antennas: by I. Kapustin, UA0RW

Practical Design of a small sized two Directinoal Helical Antennas for the 20- meters Band.

PDF file, 210 KB (ANTENTOP-01-2010, pp: 34- 37)

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Contents for AntenTop 01- 2010








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Last Updated:

February 4, 2018 20:41